window.onerror = function() {
//    window.status = 'Error on page.';
}

function attachFocus() {
	if (this.className.indexOf(" focus")<0) {
		this.className+=" focus";
	}
}

function attachBlur() {
	if (this.className.indexOf(" focus")>0) {
		this.className = this.className.substring(0,this.className.indexOf(" focus"));
	} else {
		this.className.replace(" focus","");
	}

	if (this.tempOnBlur) {
		// call existing onBlur event.
		this.tempOnBlur();
	}
}

function msgStatus() {
	if (this.tagName=="INPUT") {
		switch(this.type) {
			case 'image': // form button is an <input type="image"> (graphic);
				if (this.getAttribute('src').indexOf('_a.')!=-1) {
					this.src = this.getAttribute('src').replace('_a.','_b.');
					txtStatus=this.getAttribute('alt');
				}
				if (this.getAttribute('src').indexOf('-a.')!=-1) {
					this.src = this.getAttribute('src').replace('-a.','-b.');
					txtStatus=this.getAttribute('alt');
				}
				break;
			case 'button': // form button is an <input type="button"> (webtext);
			case 'submit': // form button is an <input type="submit"> (webtext);
			case 'reset': // form button is an <input type="reset"> (webtext);
			case 'file': // form button is an <input type="file"> (webtext);
				// this.style.backgroundPosition = "0px -17px";
				if (this.className.indexOf(" bnover")<0) {
					this.className+=" bnover";
				}
				txtStatus=this.getAttribute('value');
				break;
			default:
				break;
		}
	} else {
		if (this.name) {
			for (i=0;i<document.getElementsByName(this.name).length;i++) {
				if (document.getElementsByName(this.name)[i]!=this) {
					if (document.getElementsByName(this.name)[i].tagName=='A') {
						if (document.getElementsByName(this.name)[i].getElementsByTagName('img').length!=0) {
							if (document.getElementsByName(this.name)[i].getElementsByTagName('img')[0].src.indexOf('_a.')!=-1) {
								document.getElementsByName(this.name)[i].getElementsByTagName('img')[0].src = document.getElementsByName(this.name)[i].getElementsByTagName('img')[0].src.replace('_a.','_b.');
							}
							if (document.getElementsByName(this.name)[i].getElementsByTagName('img')[0].src.indexOf('-a.')!=-1) {
								document.getElementsByName(this.name)[i].getElementsByTagName('img')[0].src = document.getElementsByName(this.name)[i].getElementsByTagName('img')[0].src.replace('-a.','-b.');
							}
						} else {
							document.getElementsByName(this.name)[i].className="rollover";
						}
					}
				}
			}
		}
		if (this.innerText) {
			txtStatus=this.innerText;
		} else {
			if (this.text) txtStatus=this.text;
		}
		if (this.getElementsByTagName('img').length!=0) {
			txtStatus=this.getElementsByTagName('img')[0].getAttribute('alt');
			if (this.getElementsByTagName('img')[0].src.indexOf('_a.')!=-1) {
				this.getElementsByTagName('img')[0].src = this.getElementsByTagName('img')[0].src.replace('_a.','_b.');
			}
			if (this.getElementsByTagName('img')[0].src.indexOf('-a.')!=-1) {
				this.getElementsByTagName('img')[0].src = this.getElementsByTagName('img')[0].src.replace('-a.','-b.');
			}
		} else {
			if (this.tagName=="AREA") {
				txtStatus=this.getAttribute('alt');
			}
		}
	}
	// txtStatus=toTitleCase(txtStatus);
	window.status=toTitleCase(txtStatus); return true;
}

function msgStatusOff() {
	txtStatus=window.defaultStatus;
	if (this.tagName=="INPUT") {
		switch(this.type) {
			case 'image': // form button is an <input type="image"> (graphic);
				if (this.getAttribute('src').indexOf('_b.')!=-1) {
					this.src = this.getAttribute('src').replace('_b.','_a.');
				}
				if (this.getAttribute('src').indexOf('-b.')!=-1) {
					this.src = this.getAttribute('src').replace('-b.','-a.');
				}
				break;
			case 'button': // form button is an <input type="button"> (webtext);
			case 'submit': // form button is an <input type="submit"> (webtext);
			case 'reset': // form button is an <input type="reset"> (webtext);
				if (this.className.indexOf(" bnover")>0) {
					this.className = this.className.replace(" bnover","");
				}
				// this.style.backgroundPosition = "0px 0px";
				break;
			default:
				break;
		}
	} else {
		if (this.name) {
			for (i=0;i<document.getElementsByName(this.name).length;i++) {
				if (document.getElementsByName(this.name)[i]!=this) {
					if (document.getElementsByName(this.name)[i].tagName=='A') {
						if (document.getElementsByName(this.name)[i].getElementsByTagName('img').length!=0) {
							if (document.getElementsByName(this.name)[i].getElementsByTagName('img')[0].src.indexOf('_b.')!=-1) {
								document.getElementsByName(this.name)[i].getElementsByTagName('img')[0].src = document.getElementsByName(this.name)[i].getElementsByTagName('img')[0].src.replace('_b.','_a.');
							}
							if (document.getElementsByName(this.name)[i].getElementsByTagName('img')[0].src.indexOf('-b.')!=-1) {
								document.getElementsByName(this.name)[i].getElementsByTagName('img')[0].src = document.getElementsByName(this.name)[i].getElementsByTagName('img')[0].src.replace('-b.','-a.');
							}
						} else {
							document.getElementsByName(this.name)[i].className="";
						}
					}
				}
			}
		}
	}
	if (this.getElementsByTagName('img').length!=0 && this.getElementsByTagName('img')[0].src.indexOf('_b.')!=-1 && this.getElementsByTagName('img')[0].name.indexOf('img_')==-1) {
		this.getElementsByTagName('img')[0].src = this.getElementsByTagName('img')[0].src.replace('_b.','_a.');
	}
	if (this.getElementsByTagName('img').length!=0 && this.getElementsByTagName('img')[0].src.indexOf('-b.')!=-1 && this.getElementsByTagName('img')[0].name.indexOf('img_')==-1) {
		this.getElementsByTagName('img')[0].src = this.getElementsByTagName('img')[0].src.replace('-b.','-a.');
	}
	window.status=txtStatus; return true;
}

function msgStatusAllLinks() {
	for(i=0; i<document.links.length; i++) {
		if (!document.links[i].onmouseover) {
			document.links[i].onmouseover=msgStatus;
			document.links[i].onmouseout=msgStatusOff;
		}
	}
	for(i=0; i<document.getElementsByTagName('input').length; i++) {
		switch(document.getElementsByTagName('input')[i].type) {
			case 'image': // form button is an <input type="image"> (graphic);
			case 'button': // form button is an <input type="button"> (webtext);
			case 'submit': // form button is an <input type="submit"> (webtext);
			case 'reset': // form button is an <input type="reset"> (webtext);
				document.getElementsByTagName('input')[i].onmouseover=msgStatus;
				document.getElementsByTagName('input')[i].onmouseout=msgStatusOff;
				break;
			case 'text':
			case 'password':
				document.getElementsByTagName('input')[i].onfocus=attachFocus;
				
				// Add element's existing onblur event (if it has one) before adding a new onBlur event 'attachBlur'
				// This ensures that any existing onBlur event the element has is still executed, as well as the 'attachBlur' event.
				// Check if IE or Netscape and use appropriate syntax accordingly.
				if (navigator.appName == 'Microsoft Internet Explorer') {
					if (document.getElementsByTagName('input')[i].onblur) {
						// Assign existing onBlur to a temp event 'tempOnBlur' - Later executed in attachBlur function.
						document.getElementsByTagName('input')[i].tempOnBlur = document.getElementsByTagName('input')[i].onblur;
					}
					// attach new onblur event. This will cause the input field colour to change.
					document.getElementsByTagName('input')[i].onblur=attachBlur;
				}
				else {
				
					// attach existing onblur event.
					document.getElementsByTagName('input')[i].addEventListener('blur',attachBlur,false);
				}		
				break;
			default:
				break;
		}
	}
	for(i=0; i<document.getElementsByTagName('textarea').length; i++) {
		document.getElementsByTagName('textarea')[i].onfocus=attachFocus;
		document.getElementsByTagName('textarea')[i].onblur=attachBlur;
	}
}

// toTitleCase
function toTitleCase(strString) {
	// strString = fnTrim(strString);
	var firstSpace = strString.indexOf(' ');
	var currentWord;
	strString = strString.charAt(0).toUpperCase()+strString.substring(1,strString.length);
	if (firstSpace > -1) strString=strString.substring(0,firstSpace+1) + toTitleCase(strString.substring(firstSpace+1,strString.length));
	return strString;
}

